KEYCOMark wording
Undated
KEYCO
First recorded use: 09/01/1922; Filed: 09/20/1922; Issued: 04/17/1923
Pipe wrenches, nut wrenches, other tools
Other maker marks
Keystone Mfg. marks
5 marks.
- Marks
- 5
Keystone Mfg.Maker name
Marks & lettering
5 marksKeystoneMark wording
Undated
Keystone
First recorded use: 01/01/1897; Filed: 02/21/1907; Issued: 06/04/1907
Hand ratchets and nail sets
MonarchMark wording
Undated
Monarch
Filed: 02/21/1907; Issued: 06/04/1907
Hand ratchets
SocKitMark wording
Undated
SocKit
First recorded use: 02/16/1924; Filed: 03/27/1924; Issued: 10/07/1924
Kits of socket wrenches
WestcottMark wording
Undated
Westcott
First recorded use: 01/01/1897; Filed: 02/23/1907; Issued: 05/21/1907
Pipe and nut wrenches